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Hengwang Mining Machinery CO.,LTD

All Products >> HW937

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outburst prevention drilling machine
Specification: Mining coal machinery Outburst prevention drill
Detail: Mainly used with efficient outburst prevention drill pipe, widely used in the coal mine coal lane, half coal rock drain, ***ection release, gas, pressure relief hole operation. Drill bit steel body selects the high quality ste...


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Hengwang Mining Machinery CO.,LTD All Products >> HW937

Hengwang Mining Machinery CO.,LTD

All Products >> HW937